Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
Zoho Docs - Zoho Docs is an online document management software that lets you manage and store all your files on the cloud. Share, collaborate and access all your files on multiple devices.
SSuite Office - SSuite Office is called to be one of the most accomplished software developers for both beginners and professionals alike.
Zimbra - Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.
LibreOffice - Free office suite, open source, and compatible with .doc, .docx, .xls, .xlsx, .ppt, .pptx files. Updated regularly – download for free. Originally based on OpenOffice.org.